83005640

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{20147}}^1$

素因数の和:20261

約数の個数: 32

約数和(自身を含む): 188585280

約数和(自身を除く): 105579640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 20147, 40294, 80588, 100735, 161176, 201470, 402940, 805880, 2075141, 4150282, 8300564, 10375705, 16601128, 20751410, 41502820, 83005640]

約数ペア:

[(1, 83005640), (2, 41502820), (4, 20751410), (5, 16601128), (8, 10375705), (10, 8300564), (20, 4150282), (40, 2075141), (103, 805880), (206, 402940), (412, 201470), (515, 161176), (824, 100735), (1030, 80588), (2060, 40294), (4120, 20147)]